Barite Sand Concretions | Morocco Amethyst 5” and weighs 5

5” and weighs 5

is weakly to moderately magnetic and has a Mohs hardness of 5

such as cyanobacteria

most commonly found in deposits from China and South Africa

admired for its striking color and natural white veining

Barite Sand Concretions | Morocco Amethyst 5” and weighs 5These Barite Sand Concretions from Morocco, date back to the Cretaceous. They form as a result of mineral rich waters moving through sand, precipitating barite crystals that bind sand grains into concentric patterns. Surface erosion then accentuated differences to create the distinctive shapes and surface banding. This item is 4. 5 x 1. 5 and weighs 9. 8 oz.